智能天线和空间分集接收技术是主要的两种空间信号处理技术。
Smart antenna and spatial diversity receiving are two most important spatial signal processing technologies.
本文首先讨论了移动通信信道的各种参数对信道估计的影响，介绍了频率选择性信道的抽头延迟线模型和分集接收技术，在此基础上阐述了RAKE接收机的原理。
The tapped delay model of the multi-path frequency selective fading channels as well as the diversity receiver technique is introduced, and the principles of RAKE receiver are described.
单用户检测中的关键技术很多，主要有接收端和发送端的同步，信道估计和分集等。
There are many key technologies about the single-user detection, such as synchronization between receiver and transmitter, channel estimation and diversity.
空时编码技术通过空间和时间分集接收能有效增加信道容量。
Space -time coding can increase channel capacity by using the space and time diversity technique.
单用户检测中的关键技术很多，主要有接收端和发送端的同步，信道估计和分集等。
There are lots of key technologies about single user detection, such as synchronization between receiver and transmitter, channel estimation and diversity.
在CD MA移动通信系统中，多址接入干扰可以通过多用户检测技术来消除，而分集接收可以减小信道衰落的影响。
In CDMA mobile communication systems, multiple access interference can be cancelled by multiuser detection technique. The degradation by channel fading can be reduced by diversity reception.
采用空间分集技术，通过使用多发送天线和多接收天线系统（MIMO系统），可以从一定程度上保证传输信号的质量。
With the introduction of space diversity, by using multi -sending antennas and multi -receiving antennas system(MIMO), we can improve the quality of the signals.
本文在传统的天线一维空间分集的基础上结合RAKE分集技术，提出了一种具有最优合并方案的双天线rake分集接收机结构。
Based on the antenna diversity and RAKE diversity, a new dual-antenna RAKE diversity model is put forward which features optimum combining.
所述技术可允许均衡器考虑到天线分集，例如接收分集、发射分集或可能 兼考虑到二者。
The techniques can allow the equalizer to account for antenna diversity, such as receive diversity, transmit diversity, or possibly both.
但是以往的信道化数字接收技术的研究大部分集中在单个信道的处理上，并没有考虑到信号带宽出现跨信道的问题。
But most of the previous studies for the channelized digital receiver only focused on the handling in a single channel, they didn't take into account the cross-channel problem.
但是以往的信道化数字接收技术的研究大部分集中在单个信道的处理上，并没有考虑到信号带宽出现跨信道的问题。
But most of the previous studies for the channelized digital receiver only focused on the handling in a single channel, they didn't take into account the cross-channel problem.
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